Fedora Core 6 下载量超百万

日期：2007-01-10　作者：R0meal编译　来自：linux.chinaunix.net

　　据Fedora Core项目组的负责人声称，仅仅用了74天，Fedora Core6(Zod)的下载量就达到了一百万份，这就意味着在过去的7个多星期时间内，平均每分钟有大约9份的下载量。

　　Fedora Core项目组是通过使用Cacti这个网络监测工具来收集数据，追踪和计算实际的发行版下载数量，并最终完成统计生成报表的。Cacti是通过检测新发行版使用Yum升级时留下的独立IP来统计的，并不是单纯的下载光盘拷贝的数量。据来自邮件列表中Fedora Core项目组负责人Max Spevack的话说，通过这样的追踪和统计方法得出的统计结果要准确的多，而且更具有可信性，它真实地反映出了实际的Fdeora Core 6的安装数量，因为他们升级的时候需要连接到我们的服务器，所以我们对我们的数据非常有信心。

　　目前Cactis统计软件只是追踪那些核心软件包的升级活动，并没有追踪那些处于Fedora Extras中的软件包的升级情况，Max Spevack还说，他们有可能在新的Fedora Core 7发行版中跟踪更多的用户升级活动，从而得出更翔实的Fedora Core用户数量和使用情况。

　　A mere 74 days after its release, Fedora Core 6 (Zod) has been downloaded over 1 million times, according to the project's leader. That works out to approximately nine downloads per minute for more than 10 weeks straight.

　　The Fedora team uses Cacti, an open source data-collection and graphing tool, to track and compute the metrics associated with the release's downloads. Cactus tracks the number of unique IP addresses that check in via yum for updates, rather than simply tracking the number of times FC6 was downloaded. According to comments made on the fedora-announce mailing list by Fedora Project Leader Max Spevack, "This metric is much more useful than tracking downloads, because it demonstrates actual 'installed instances' of FC6 that are making a connection back to our servers in search of updated software."

　　Currently, Cactus manages data only for the Core package and does not track downloads for Fedora Extras or individual packages. Spevack says discussions will be held prior to the release of Fedora 7 and decisions will be made at that time about what additional data will be tracked in future releases.

　　Spevack says he is thrilled to have good metrics for FC6, especially because they were sorely lacking in previous releases. Virtually no statistical data exists for Fedora Core 4, released in June 2005, and the only usable data for the release of Fedora Core 5 are BitTorrent download tracking numbers. As of yesterday, FC6 has already seen 2/3 of the amount of BitTorrent traffic that FC5 has accumulated in total since its March 2006 release. Spevack says that, while exact comparative data is lacking for the last two Fedora Core releases, "it's pretty safe to say we reached 1 million faster than any previous Fedora release has."

　　Spevack says the flurry of excitement surrounding FC6 can be attributed to several things. "[First], Fedora Core 5 was well received, and therefore there was a lot of excitement for Fedora Core 6. It's a good distro, with an active community and a good reputation. Lots of people use it, and the 'average' Fedora user is someone who is likely to upgrade from release to release.

　　"[Also], RHEL [Red Hat Enterprise Linux] 5 is coming soon, and if you're a person who is a user of RHEL or one of the RHEL rebuilds, then you realize that Fedora Core 6 is going to be an excellent preview of those distributions, and so people are probably looking at Fedora in order to get a pretty good idea of what RHEL will look like."

　　Spevack acknowledges that some of the numbers may also reflect longtime Fedora users who haven't been counted in the past due to the lack of a good tracking system.

　　Spevack says the success of the new metrics system is due in large part to Mike McGrath, a system/network administrator who volunteers voluminous amounts of his time to the Fedora Infrastructure Team. "Most of the work that was done in getting the metrics that we have for Fedora Core 6 was led by Mike, basically in his spare time (when he wasn't doing work for his actual job)," says Spevack.

　　Since this is the first time the Fedora team has been able to collect such thorough and accurate data, Spevack says it's difficult to predict when the flurry of downloads will peak and begin to level off. "My best guess," he says, "is that it's still pretty early in FC6's lifecycle, and some folks who have always planned on upgrading are still getting around to it, so we continue to see a steady stream of new installs. There's a lot of Internet service providers, etc., who are users of Fedora, and groups like that tend to take their time in upgrading their systems.

　　"It will be interesting to see how the numbers look over the next couple of months."

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